Weather in Williamson County, Illinois for February 2026
With an average of 5 snowy days, Williamson County usually enjoys a light touch of snow in February.
According to Williamson County snow forecast for February 2026, 1 snowy day is expected in the next 2 weeks at Saturday, February 14.The forecast for the next days in Williamson County predicts temperatures to be around 7 °F, close to the historical average.
In general, the average temperature in Williamson County at the beginning of February is 3.3 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 12.3 °F by the end of February.
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Williamson County Weather February
Temperatures trend during February in Williamson County
February weather in Williamson County day by day
| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Feb. 1 | Overcast | 5° /-4° | 0 mm | 0 cm | |
| Feb. 2 | Overcast | 10° /2° | 0 mm | 0 cm | |
| Feb. 3 | Partly cloudy | 5° /-4° | 0 mm | 0 cm | |
| Feb. 4 | Overcast | -2° /-7° | 0 mm | 0 cm | |
| Feb. 5 | Partly cloudy | 0° /-6° | 0 mm | 0 cm | |
| Feb. 6 | Overcast | 2° /-1° | 0 mm | 0 cm | |
| Feb. 7 | Sunny | 3° /-3° | 0 mm | 0 cm | |
| Feb. 8 | Sunny | 14° /-2° | 0 mm | 0 cm | |
| Feb. 9 | Sunny | 8° /-2° | 0 mm | 0 cm | |
| Feb. 10 | Moderate rain | 10° /4° | 6.5 mm | 0 cm | |
| Feb. 11 | Patchy rain possible | 13° /10° | 0.1 mm | 0 cm | |
| Feb. 12 | Patchy rain possible | 18° /9° | 2.8 mm | 0 cm | |
| Feb. 13 | Overcast | 10° /4° | 0 mm | 0 cm | |
| Feb. 14 | Overcast | 3° /2° | 0 mm | 0 cm | |
| Feb. 15 | Sunny | 6° /-2° | 0 mm | 0 cm | |
| Feb. 16 | Partly cloudy | 9° /-2° | 0 mm | 0 cm | |
| Feb. 17 | Partly cloudy | -1° /-6° | 0 mm | 0 cm | |
| Feb. 18 | Sunny | 3° /-5° | 3.3 mm | 2.4 cm | |
| Feb. 19 | Sunny | 3° /-5° | 8 mm | 5.8 cm | |
| Feb. 20 | Overcast | 4° /-5° | 0 mm | 0 cm | |
| Feb. 21 | Patchy rain possible | 7° /-4° | 0.2 mm | 0 cm | |
| Feb. 22 | Moderate or heavy rain with thunder | 10° /2° | 3.6 mm | 0 cm | |
| Feb. 23 | Sunny | 10° /1° | 0 mm | 0 cm | |
| Feb. 24 | Light snow showers | 8° /1° | 0 mm | 0 cm | |
| Feb. 25 | Partly cloudy | 11° /1° | 0 mm | 0 cm | |
| Feb. 26 | Overcast | 12° /5° | 0 mm | 0 cm | |
| Feb. 27 | Thundery outbreaks possible | 16° /9° | 2.1 mm | 0 cm | |
| Feb. 28 | Overcast | 19° /1° | 0.2 mm | 0 cm | |
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Williamson County in February - FAQ
What are the expected maximum and minimum temperatures in Williamson County during February?
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What are the typical wind conditions in Williamson County during February?
Williamson County snow forecast February 2026
February rainfall patterns in Williamson County
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Get accurate weather forecasts for Williamson County, located at latitude 37.774 and longitude -89.026. Stay updated with localized weather information tailored for Williamson County.